```html
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>技术知识库 | 精选开发资源</title>
    <link href="https://cdn.staticfile.org/font-awesome/6.4.0/css/all.min.css" rel="stylesheet">
    <link href="https://cdn.staticfile.org/tailwindcss/2.2.19/tailwind.min.css" rel="stylesheet">
    <link href="https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700&display=swap" rel="stylesheet">
    <script src="https://cdn.jsdelivr.net/npm/mermaid@latest/dist/mermaid.min.js"></script>
    <style>
        body {
            font-family: 'Noto Sans SC', Tahoma, Arial, Roboto, "Droid Sans", "Helvetica Neue", "Droid Sans Fallback", "Heiti SC", "Hiragino Sans GB", Simsun, sans-serif;
            background-color: #f8fafc;
            color: #1e293b;
        }
        .serif {
            font-family: 'Noto Serif SC', serif;
        }
        .hero-gradient {
            background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
        }
        .card-hover {
            transition: all 0.3s ease;
        }
        .card-hover:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        .tag-tech {
            background-color: #e0e7ff;
            color: #4f46e5;
        }
        .tag-ai {
            background-color: #f0fdf4;
            color: #10b981;
        }
        .tag-db {
            background-color: #ecfdf5;
            color: #059669;
        }
        .tag-java {
            background-color: #eff6ff;
            color: #2563eb;
        }
        .tag-spring {
            background-color: #f5f3ff;
            color: #7c3aed;
        }
        .tag-health {
            background-color: #fef2f2;
            color: #dc2626;
        }
        .highlight {
            position: relative;
        }
        .highlight::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 8px;
            background-color: rgba(79, 70, 229, 0.2);
            z-index: -1;
        }
    </style>
</head>
<body>
    <!-- Hero Section -->
    <section class="hero-gradient text-white py-20 px-4 sm:px-6 lg:px-8">
        <div class="max-w-7xl mx-auto">
            <div class="flex flex-col items-center text-center">
                <h1 class="text-4xl md:text-5xl lg:text-6xl font-bold mb-6 serif">技术知识库</h1>
                <p class="text-xl md:text-2xl max-w-3xl leading-relaxed opacity-90">
                    精选高质量开发资源，助你提升技术深度与工程实践能力
                </p>
                <div class="mt-10 flex space-x-4">
                    <div class="bg-white bg-opacity-10 px-4 py-2 rounded-full flex items-center">
                        <i class="fas fa-code mr-2"></i>
                        <span>开发实践</span>
                    </div>
                    <div class="bg-white bg-opacity-10 px-4 py-2 rounded-full flex items-center">
                        <i class="fas fa-brain mr-2"></i>
                        <span>AI应用</span>
                    </div>
                    <div class="bg-white bg-opacity-10 px-4 py-2 rounded-full flex items-center">
                        <i class="fas fa-database mr-2"></i>
                        <span>数据库</span>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Main Content -->
    <main class="max-w-7xl mx-auto py-12 px-4 sm:px-6 lg:px-8">
        <!-- Categories -->
        <div class="mb-12">
            <h2 class="text-2xl font-bold mb-6 serif highlight">热门分类</h2>
            <div class="grid grid-cols-2 md:grid-cols-4 lg:grid-cols-6 gap-4">
                <a href="#" class="tag-java px-4 py-2 rounded-full text-sm font-medium text-center">Java开发</a>
                <a href="#" class="tag-spring px-4 py-2 rounded-full text-sm font-medium text-center">Spring生态</a>
                <a href="#" class="tag-db px-4 py-2 rounded-full text-sm font-medium text-center">数据库</a>
                <a href="#" class="tag-ai px-4 py-2 rounded-full text-sm font-medium text-center">AI应用</a>
                <a href="#" class="tag-tech px-4 py-2 rounded-full text-sm font-medium text-center">工程实践</a>
                <a href="#" class="tag-health px-4 py-2 rounded-full text-sm font-medium text-center">健康科技</a>
            </div>
        </div>

        <!-- Featured Articles -->
        <div class="mb-12">
            <h2 class="text-2xl font-bold mb-6 serif highlight">精选文章</h2>
            <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
                <!-- Article 1 -->
                <a href="https://www.yuque.com/jtostring/qiwsg9/epoy574sqsnik2r3" class="bg-white rounded-xl overflow-hidden shadow-md card-hover">
                    <div class="p-6">
                        <div class="flex justify-between items-center mb-3">
                            <span class="tag-java px-3 py-1 rounded-full text-xs font-medium">Java</span>
                            <span class="text-sm text-gray-500"><i class="far fa-clock mr-1"></i>5月前</span>
                        </div>
                        <h3 class="text-xl font-bold mb-2">BigDecimal为什么可以不丢失精度</h3>
                        <p class="text-gray-600 mb-4">深入解析BigDecimal如何避免浮点数精度问题，以及在实际开发中的最佳实践。</p>
                        <div class="flex items-center text-sm text-gray-500">
                            <i class="far fa-eye mr-1"></i>
                            <span class="mr-3">1.2k</span>
                            <i class="far fa-thumbs-up mr-1"></i>
                            <span>86</span>
                        </div>
                    </div>
                </a>

                <!-- Article 2 -->
                <a href="https://www.yuque.com/jtostring/qiwsg9/ckaucqxzytmdq4sd" class="bg-white rounded-xl overflow-hidden shadow-md card-hover">
                    <div class="p-6">
                        <div class="flex justify-between items-center mb-3">
                            <span class="tag-tech px-3 py-1 rounded-full text-xs font-medium">设计模式</span>
                            <span class="text-sm text-gray-500"><i class="far fa-clock mr-1"></i>3月前</span>
                        </div>
                        <h3 class="text-xl font-bold mb-2">状态机让你的程序优雅100倍</h3>
                        <p class="text-gray-600 mb-4">如何通过状态模式简化复杂业务逻辑，实现清晰的状态转换和业务分离。</p>
                        <div class="flex items-center text-sm text-gray-500">
                            <i class="far fa-eye mr-1"></i>
                            <span class="mr-3">980</span>
                            <i class="far fa-thumbs-up mr-1"></i>
                            <span>72</span>
                        </div>
                    </div>
                </a>

                <!-- Article 3 -->
                <a href="https://www.yuque.com/jtostring/qiwsg9/ddpuvuti72dzk6g9" class="bg-white rounded-xl overflow-hidden shadow-md card-hover">
                    <div class="p-6">
                        <div class="flex justify-between items-center mb-3">
                            <span class="tag-ai px-3 py-1 rounded-full text-xs font-medium">AI</span>
                            <span class="text-sm text-gray-500"><i class="far fa-clock mr-1"></i>1月前</span>
                        </div>
                        <h3 class="text-xl font-bold mb-2">AI Agent 入门指南</h3>
                        <p class="text-gray-600 mb-4">从零开始构建智能代理系统，探索AI自主决策和任务自动化的前沿技术。</p>
                        <div class="flex items-center text-sm text-gray-500">
                            <i class="far fa-eye mr-1"></i>
                            <span class="mr-3">1.5k</span>
                            <i class="far fa-thumbs-up mr-1"></i>
                            <span>124</span>
                        </div>
                    </div>
                </a>
            </div>
        </div>

        <!-- All Articles -->
        <div class="mb-12">
            <div class="flex justify-between items-center mb-6">
                <h2 class="text-2xl font-bold serif highlight">全部文章</h2>
                <div class="flex items-center">
                    <span class="text-sm text-gray-600 mr-2">排序:</span>
                    <select class="bg-white border border-gray-200 rounded-md px-3 py-1 text-sm focus:outline-none focus:ring-2 focus:ring-indigo-500">
                        <option>最新发布</option>
                        <option>最多浏览</option>
                        <option>最多点赞</option>
                    </select>
                </div>
            </div>

            <div class="grid grid-cols-1 gap-6">
                <!-- Article Row -->
                <a href="https://www.yuque.com/jtostring/qiwsg9/hmf9f03dawf42hpg" class="bg-white rounded-lg p-6 flex flex-col md:flex-row items-start md:items-center shadow-sm hover:shadow-md transition-shadow duration-300">
                    <div class="md:w-3/4">
                        <div class="flex items-center mb-2">
                            <span class="tag-tech px-3 py-1 rounded-full text-xs font-medium mr-2">分布式</span>
                            <span class="text-sm text-gray-500"><i class="far fa-clock mr-1"></i>2周前</span>
                        </div>
                        <h3 class="text-lg font-bold mb-1">雪花ID重复了？</h3>
                        <p class="text-gray-600 text-sm">探讨分布式ID生成算法Snowflake在极端情况下可能出现的ID重复问题及解决方案。</p>
                    </div>
                    <div class="mt-4 md:mt-0 md:ml-auto flex items-center text-sm text-gray-500">
                        <span class="mr-4"><i class="far fa-eye mr-1"></i> 542</span>
                        <span><i class="far fa-thumbs-up mr-1"></i> 38</span>
                    </div>
                </a>

                <!-- Article Row -->
                <a href="https://www.yuque.com/jtostring/qiwsg9/luzc1awcnsm8cgcu" class="bg-white rounded-lg p-6 flex flex-col md:flex-row items-start md:items-center shadow-sm hover:shadow-md transition-shadow duration-300">
                    <div class="md:w-3/4">
                        <div class="flex items-center mb-2">
                            <span class="tag-tech px-3 py-1 rounded-full text-xs font-medium mr-2">工具</span>
                            <span class="text-sm text-gray-500"><i class="far fa-clock mr-1"></i>1月前</span>
                        </div>
                        <h3 class="text-lg font-bold mb-1">利用DeepWiki高效阅读项目源码</h3>
                        <p class="text-gray-600 text-sm">介绍如何使用DeepWiki工具快速理解和分析复杂项目的代码结构。</p>
                    </div>
                    <div class="mt-4 md:mt-0 md:ml-auto flex items-center text-sm text-gray-500">
                        <span class="mr-4"><i class="far fa-eye mr-1"></i> 876</span>
                        <span><i class="far fa-thumbs-up mr-1"></i> 64</span>
                    </div>
                </a>

                <!-- Article Row -->
                <a href="https://www.yuque.com/jtostring/qiwsg9/dh110e3ep6gnn332" class="bg-white rounded-lg p-6 flex flex-col md:flex-row items-start md:items-center shadow-sm hover:shadow-md transition-shadow duration-300">
                    <div class="md:w-3/4">
                        <div class="flex items-center mb-2">
                            <span class="tag-ai px-3 py-1 rounded-full text-xs font-medium mr-2">AI</span>
                            <span class="text-sm text-gray-500"><i class="far fa-clock mr-1"></i>2月前</span>
                        </div>
                        <h3 class="text-lg font-bold mb-1">本地搭建私募问答智能体</h3>
                        <p class="text-gray-600 text-sm">逐步指导如何在本地环境构建一个私募基金领域的智能问答系统。</p>
                    </div>
                    <div class="mt-4 md:mt-0 md:ml-auto flex items-center text-sm text-gray-500">
                        <span class="mr-4"><i class="far fa-eye mr-1"></i> 1.1k</span>
                        <span><i class="far fa-thumbs-up mr-1"></i> 92</span>
                    </div>
                </a>

                <!-- Article Row -->
                <a href="https://www.yuque.com/jtostring/qiwsg9/yhhsfottt5bd011v" class="bg-white rounded-lg p-6 flex flex-col md:flex-row items-start md:items-center shadow-sm hover:shadow-md transition-shadow duration-300">
                    <div class="md:w-3/4">
                        <div class="flex items-center mb-2">
                            <span class="tag-tech px-3 py-1 rounded-full text-xs font-medium mr-2">最佳实践</span>
                            <span class="text-sm text-gray-500"><i class="far fa-clock mr-1"></i>3月前</span>
                        </div>
                        <h3 class="text-lg font-bold mb-1">打印高质量日志的10条军规</h3>
                        <p class="text-gray-600 text-sm">总结日志记录的关键原则，帮助开发者编写更有效、更易维护的日志输出。</p>
                    </div>
                    <div class="mt-4 md:mt-0 md:ml-auto flex items-center text-sm text-gray-500">
                        <span class="mr-4"><i class="far fa-eye mr-1"></i> 1.4k</span>
                        <span><i class="far fa-thumbs-up mr-1"></i> 105</span>
                    </div>
                </a>
            </div>
        </div>

        <!-- Knowledge Graph -->
        <div class="mb-12">
            <h2 class="text-2xl font-bold mb-6 serif highlight">技术知识图谱</h2>
            <div class="bg-white rounded-xl p-6 shadow-md">
                <div class="mermaid">
                    graph TD
                    A[编程语言] --> B(Java)
                    A --> C(Python)
                    A --> D(JavaScript)
                    B --> E[Spring生态]
                    B --> F[JDK新特性]
                    E --> G[Spring Boot]
                    E --> H[Spring MVC]
                    G --> I[自动配置]
                    G --> J[启动优化]
                    C --> K[AI开发]
                    C --> L[数据分析]
                    K --> M[LLM应用]
                    K --> N[智能代理]
                    D --> O[前端框架]
                    D --> P[Node.js]
                    O --> Q[React]
                    O --> R[Vue]
                </div>
            </div>
        </div>

        <!-- Popular Tags -->
        <div class="mb-12">
            <h2 class="text-2xl font-bold mb-6 serif highlight">热门标签</h2>
            <div class="flex flex-wrap gap-3">
                <a href="#" class="tag-java px-4 py-2 rounded-full flex items-center">
                    <i class="fab fa-java mr-2"></i>
                    <span>Java</span>
                </a>
                <a href="#" class="tag-spring px-4 py-2 rounded-full flex items-center">
                    <i class="fas fa-leaf mr-2"></i>
                    <span>Spring Boot</span>
                </a>
                <a href="#" class="tag-ai px-4 py-2 rounded-full flex items-center">
                    <i class="fas fa-brain mr-2"></i>
                    <span>AI</span>
                </a>
                <a href="#" class="tag-db px-4 py-2 rounded-full flex items-center">
                    <i class="fas fa-database mr-2"></i>
                    <span>MySQL</span>
                </a>
                <a href="#" class="tag-tech px-4 py-2 rounded-full flex items-center">
                    <i class="fas fa-code-branch mr-2"></i>
                    <span>分布式</span>
                </a>
                <a href="#" class="tag-tech px-4 py-2 rounded-full flex items-center">
                    <i class="fas fa-tachometer-alt mr-2"></i>
                    <span>性能优化</span>
                </a>
                <a href="#" class="tag-java px-4 py-2 rounded-full flex items-center">
                    <i class="fas fa-lock mr-2"></i>
                    <span>并发编程</span>
                </a>
                <a href="#" class="tag-ai px-4 py-2 rounded-full flex items-center">
                    <i class="fas fa-robot mr-2"></i>
                    <span>LLM</span>
                </a>
            </div>
        </div>
    </main>

    <script>
        mermaid.initialize({
            startOnLoad: true,
            theme: 'default',
            flowchart: {
                useMaxWidth: true,
                htmlLabels: true,
                curve: 'basis'
            }
        });
    </script>
</body>
</html>
```